geico. 15 minutes could save you 15 % or more on car insurance. someone get me a latte will ya, please? >>> welcome back, everyone, to "cnn saturday morning." here in washington, crowds are already gathering for what is going to be an action-packed inauguration weekend. the president's public swearing-in and inaugural speech take place monday. the festivities certainly well underway here on the mall. you see the crowds are gathering there. suzanne malveaux is covering some of the events. sthooes nation she's at the national day of service. what's going on there? >> reporter: randi, you know, there are a lot of people here, as well. i would say about, i'd say hundreds of people inside of this tent. they're very excited about giving back to their communities. this is where you can learn a lot from different organizations about how you can volunteer. they've got real superstars that have gathered throughout the morning. there will be more later on this afternoon to really bring attention to attract folks here. so far we have seen beau biden, the vice